Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Changes in Accumulated Other Comprehensive Income, Net of Income Taxes (Detail)

v3.4.0.3
Stockholders' Equity - Changes in Accumulated Other Comprehensive Income, Net of Income Taxes (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance $ 457  
Other comprehensive income before reclassifications 809  
Amounts reclassified from accumulated other comprehensive income (82)  
Total other comprehensive income 727 $ 361
Ending balance 1,184  
Unrealized gains and (losses) of available-for-sale securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (568)  
Other comprehensive income before reclassifications 762  
Amounts reclassified from accumulated other comprehensive income (82)  
Total other comprehensive income 680  
Ending balance 112  
Foreign currency translation [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance 1,025  
Other comprehensive income before reclassifications 47  
Amounts reclassified from accumulated other comprehensive income 0  
Total other comprehensive income 47  
Ending balance $ 1,072